15201956

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 54

約数和(自身を含む): 34069014

約数和(自身を除く): 18867058

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 641, 847, 1078, 1282, 1694, 2156, 2564, 3388, 4487, 5929, 7051, 8974, 11858, 14102, 17948, 23716, 28204, 31409, 49357, 62818, 77561, 98714, 125636, 155122, 197428, 310244, 345499, 542927, 690998, 1085854, 1381996, 2171708, 3800489, 7600978, 15201956]

約数ペア:

[(1, 15201956), (2, 7600978), (4, 3800489), (7, 2171708), (11, 1381996), (14, 1085854), (22, 690998), (28, 542927), (44, 345499), (49, 310244), (77, 197428), (98, 155122), (121, 125636), (154, 98714), (196, 77561), (242, 62818), (308, 49357), (484, 31409), (539, 28204), (641, 23716), (847, 17948), (1078, 14102), (1282, 11858), (1694, 8974), (2156, 7051), (2564, 5929), (3388, 4487)]